Java’s AND and OR operators are important tools in the language’s arsenal. AND is used to evaluate whether two conditions are fulfilled. OR checks whether at least one condition is fulfilled. We explain how the two functions are used, what their syntax looks like and what the…
You have various options in Java for comparing strings with each other. The Java equals() method is particularly recommended, but Java compareTo() is also very suitable for strings. In this dedicated article, we explain how the two methods work and also show you in which cases…
sdecoretshutterstockIn Java, there are 8 primitive data types: boolean, byte, char, double, float, int, long and short. In this article, we’ll show you how the Java primitives are used, what their function is and which ones you should use for which purposes. We also give practical code examples so…
ESB ProfessionalshutterstockTo install Nextcloud on Ubuntu 22.04, you can carry out most of the necessary steps via the command line. In addition to the installation, it’s possible to set up an administrator and SSL certificate. The prerequisite is that your system is up to date. We’ll guide you through the…
ra2 studioShutterstockIn Java, you can separate a string into several different substrings. The best method for splitting strings in Java is split(). The method has two parameters and some other particularities that you should be aware of. In this article, we explain everything you need to know about…
If you want to extract a substring from a string, you have various options available to you. Probably the most effective method is Java’s substring(). In our dedicated article, we explain how this method works and show you its two variants with and without endIndex using some…
One of the most important datatypes in Java are strings. Java strings are used to represent sequences of characters and digits. Once you’ve created a string, it is immutable and cannot be changed. In this tutorial, we show you the syntax for strings in Java, how they work and…
REDPIXEL.PLShutterstockJava variables can store different data types and are an elementary part of the programming language. In this tutorial, we explain how to declare and initialize Java variables, what the different variable types are and how variables work with different data types. We also show a…
As conventional strings cannot be subsequently changed without creating a new object, an alternative can often come in handy. Java StringBuilder allows you to manipulate the stored string using various methods. In our article, you can find out how the class works, what…
Java booleans are an important component of many programing commands. They’re used when an answer can only have two possible values. When used in combination with other code, they can determine when to execute or terminate an action. In this tutorial, we’ll explain what Java…
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